Skyscanner home

C$235 Cheap Flights from Missoula (MSO) to Chicago O'Hare International (ORD)

Compare Missoula to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

Book the best Chicago O'Hare International fare with no extra fees

TrustScore 4.6 out of 5 4.6 out of 5 based on 971 reviews Trustpilot

Flight deals from Missoula to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Missoula Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from C$454. Find the lowest prices on one-way and return tickets right here.
Chicago.C$235 per passenger.Departing Tue., Oct. 13.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Missoula on Tue., Oct. 13, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$235, select.
Chicago.C$236 per passenger.Departing Wed., Sep. 9.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Missoula on Wed., Sep. 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$236, select.
Chicago.C$267 per passenger.Departing Tue., Oct. 20.One-way flight with United.Outbound direct flight with United departs from Missoula on Tue., Oct. 20, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$267, select.
Chicago.C$267 per passenger.Departing Wed., Jun. 17.One-way flight with United.Outbound direct flight with United departs from Missoula on Wed., Jun. 17, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$267, select.
Chicago.C$268 per passenger.Departing Sun., Aug. 9.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Missoula on Sun., Aug. 9, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$268, select.
Chicago.C$294 per passenger.Departing Mon., Aug. 3.One-way flight with United.Outbound direct flight with United departs from Missoula on Mon., Aug. 3, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$294, select.
Chicago.C$308 per passenger.Departing Sat., Jul. 25.One-way flight with United.Outbound indirect flight with United, departs from Missoula on Sat., Jul. 25, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$308, select.
Chicago.C$316 per passenger.Departing Tue., May 26.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Missoula on Tue., May 26, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$316, select.
Chicago.C$326 per passenger.Departing Tue., May 26.One-way flight with United.Outbound direct flight with United departs from Missoula on Tue., May 26, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$326, select.
Chicago.C$333 per passenger.Departing Fri., Sep. 25.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Fri., Sep. 25, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$333, select.
Chicago.C$374 per passenger.Departing Mon., Jul. 20.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Mon., Jul. 20, arriving in Chicago O'Hare International.Price includes taxes and charges.From C$374, select.

Find the cheapest month to fly from Missoula to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Missoula to Chicago O'Hare International flights are currently cheapest in October.
May
from C$316
Jun.
from C$267
Jul.
from C$308
Aug.
from C$268
Sep.
from C$236
Oct.
from C$235
Nov.
Find prices
Dec.
Find prices
Jan.
Find prices
Feb.
Find prices
Mar.
Find prices
Apr.
Find prices

Which airlines fly from Missoula to Chicago O'Hare International?

Missoula to Chicago O'Hare International: Alternative routes

Compare routes from Missoula to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Chicago Midway

14km from central Chicago
Closest
from C$280
Search flights

Chicago O'Hare International

25km from central Chicago
Cheapest
from C$235
Search flights

Chicago Dupage County

51km from central Chicago
Search flights

Chicago Rockford

126km from central Chicago
from C$261
Search flights

Missoula to Chicago: Flight information

The things to know before you go.
Cheapest flight foundC$235
Cheapest month to flyOctober
Average flight time3 hrs, 38 mins
Most popular airlineAmerican Airlines
Average flights per week31

Finding cheap flights from Missoula to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Missoula to Chicago O'Hare International is C$431. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 38 minutes is the average flight time from Missoula to Chicago O'Hare International.
American Airlines, Alaska Airlines and Envoy Air fly direct from Missoula to Chicago O'Hare International.
As of May 2026, there are 31 flights per week flying from Missoula to Chicago O'Hare International.
The cheapest month to fly from Missoula to Chicago O'Hare International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Missoula Airport to Chicago O'Hare International Airport on Tuesday, September 15, 2026.
Yes – the average flight time is 3 hours and 38 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines and United offer the cheapest flight tickets to Chicago O'Hare International.

Traveling from Missoula International Airport (MSO) to O'Hare International Airport (ORD): what you need to know

  • The average length of a direct flight from Missoula International Airport to O'Hare International Airport is 3 hours 19 minutes. Chicago's timezone is UTC-5, which makes Chicago 1 hour ahead of Missoula.

  • You can choose from 5 weekly flights from Missoula International Airport to O'Hare International Airport. The 09:00 departure with United Airlines is the earliest flight out from MSO to ORD. American Airlines operates the latest service of the day at 13:30.

  • Longer lines at security and check-in are more likely if you're traveling during high season, so allow even more breathing space. A good rule of thumb for peak times? Get there up to four hours ahead for international flights and at least two hours for domestic departures.

  • If you prefer a stopover for your flight from Missoula International Airport to O'Hare International Airport, simply uncheck 'Direct flights only' and check out your options. These are the top stopovers between MSO and ORD:

    • Denver International Airport

    • Salt Lake City International Airport

    • Minneapolis-St. Paul International Airport

How to find the cheapest flights from Missoula International Airport (MSO) to O'Hare International Airport (ORD)

  • The best price we've found for a one-way ticket from Missoula International Airport to O'Hare International Airport is C$235. The cheapest price for a return flight is C$431. Bear in mind that fares may change due to demand when booking.

  • To pick up cheap flight tickets from MSO to ORD, book in advance. Airlines tend to offer their best fares when flights are first made available.

  • The cheapest month for flight tickets from Missoula International Airport to O'Hare International Airport is August. Use the 'Whole month' tool to find the lowest airfares if you have a flexible schedule.

  • Set up a Price Alert for cheap flight tickets from MSO to ORD. You don't need to check every day to find out if prices have fallen. We'll notify you as soon as the price changes.

  • Use filters to find the best journey for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Missoula International Airport to O'Hare International Airport, use the 'Sort by' function. You can also filter results by departure and arrival times, airline, and number of stops.

Handy information about Missoula International Airport (MSO)

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • From O'Hare International Airport, Chicago is approximately 40 kilometres away. It takes around 35 minutes to reach the center driving.

  • When traveling on public transport, expect a journey time of around 54 minutes.

When to fly to O'Hare International Airport (ORD)

  • August is the most popular month for flights from Missoula International Airport to O'Hare International Airport. To avoid the crowds, travel to Chicago in February.

  • When reserving your flight from Missoula International Airport to O'Hare International Airport, think about the type of weather you like. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • January sees average temperatures of between -12ºC and 3ºC. Look for cheap flight tickets from MSO to ORD sometime around then if you want to travel when it's cooler.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've booked your cheap ticket to O'Hare International Airport, check out our car rental deals that'll give you the flexibility to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Chicago stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.